1869742116 has 168 divisors, whose sum is σ = 5433801408. Its totient is φ = 557928000.

The previous prime is 1869742099. The next prime is 1869742117. The reversal of 1869742116 is 6112479681.

It is not an unprimeable number, because it can be changed into a prime (1869742117) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2276986 + ... + 2277806.

It is an arithmetic number, because the mean of its divisors is an integer number (32344056).

Almost surely, 2^1869742116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1869742116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2716900704).

1869742116 is an abundant number, since it is smaller than the sum of its proper divisors (3564059292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1869742116 is a wasteful number, since it uses less digits than its factorization.

1869742116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 908 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1869742116 is about 43240.5147517927. The cubic root of 1869742116 is about 1231.9523307932.

The spelling of 1869742116 in words is "one billion, eight hundred sixty-nine million, seven hundred forty-two thousand, one hundred sixteen".